Corrigir Problemas de Tela HDMI
Solucione problemas comuns de HDMI incluindo sem sinal, tela preta, resolução errada e cintilação na saída de vídeo.
Check cable connections
Ensure the HDMI cable is firmly seated on both ends. Unplug and replug. Try a different HDMI cable to rule out cable failure.
Select correct input source
Use the Input/Source button on your monitor or TV remote to select the correct HDMI port (HDMI 1, HDMI 2, etc.).
Try a different HDMI port
Most monitors and GPUs have multiple HDMI ports. Test each one to identify if a specific port is faulty.
Check display settings
Windows: Win+P to toggle display mode (Duplicate, Extend, Second screen only). Mac: System Preferences > Displays.
Update GPU drivers
Download latest drivers from NVIDIA GeForce Experience, AMD Software, or Intel Arc Control.
Check HDMI version compatibility
HDMI 1.4: 4K@30Hz. HDMI 2.0: 4K@60Hz. HDMI 2.1: 4K@120Hz / 8K@60Hz. Ensure cable and ports match.